Alert archive / Texas / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 221, NWS Midland/Odessa, TX

June 11, 1999Reeves County, Texas

NWS Midland/Odessa, TX issued this severe thunderstorm warning at Jun 11, 1999, 3:19 PM CDT for Reeves County, Texas. It was in force for 56 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 11, 1999, 3:19 PM CDT (20:19 UTC)
Expired
Jun 11, 1999, 4:15 PM CDT
In force
56 min
Issued by
NWS Midland/Odessa, TX
Area
Whole counties

County Reeves County, TX

What was reported inside it

TimeReportWhereRemark
Jun 11, 3:23 PM CDTHail 1Saragosa, TXStorm formed in the Davis Mountains and moved to the east.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 8.3 hours before the alert went out and 158 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Midland Regional, TX at 12:00Z on 1999-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2010 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Midland Regional, TX at 12:00Z on 1999-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 192 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
2010 J/kg
Mixed-layer CIN
-68 J/kg
Mixed-layer LCL
719 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
192 m²/s²
0-3 km storm-relative helicity
312 m²/s²
Significant tornado parameter
1.9
Supercell composite
7.2

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Midland/Odessa, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 11, 11:31 AM CDT, 3 hours 48 minutes earlier.

Area forecast discussion, Jun 11, 11:31 AM CDT, 3 hours 48 minutes before
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In the hours before

Special weather statement, Jun 11, 12:08 PM CDT, 3 hours 11 minutes before
NMZ027>029-TXZ045>048-050>052-057>063-067>070-074-075-079>082-120500-

THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE MIDLAND TX
1205 PM CDT (1105 AM MDT) FRI JUN 11 1999

THIS OUTLOOK PERTAINS TO THE FOLLOWING COUNTIES IN WEST TEXAS:
ANDREWS   CULBERSON  GLASSCOCK   MARTIN    REAGAN   UPTON
BORDEN    DAWSON     HOWARD      MIDLAND   REEVES   WARD
BREWSTER  ECTOR      JEFF DAVIS  PECOS     SCURRY   WINKLER
CRANE     GAINES     LOVING      PRESIDIO  TERRELL

AND IN SOUTHEAST NEW MEXICO:
EDDY      LEA

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND
TONIGHT ACROSS WEST TEXAS AND SOUTHEAST NEW MEXICO.  THE PRIMARY
RISK AREA IS GENERALLY ALONG AND EAST OF AN ARTESIA...CARLSBAD...
ALPINE LINE.

SYNOPSIS:
THUNDERSTORMS WILL DEVELOP ACROSS SOUTHEAST NEW MEXICO AND WEST
TEXAS THIS AFTERNOON AND TONIGHT. CONVERGENCE ALONG A SURFACE
DRYLINE WILL SERVE AS ONE FOCUS FOR THUNDERSTORM DEVELOPMENT ACROSS
EXTREME EASTERN NEW MEXICO AND WEST TEXAS LATE THIS AFTERNOON.
ANOTHER FOCUS WILL BE A STRONG OUTLFOW BOUNDARY HEADING SOUTH FROM
THE TEXAS PANHANDLE TOWARD THE NORTHERN PERMIAN BASIN. A THIRD FOCUS
FOR THUNDERSTORMS THIS AFTERNOON WILL BE UPSLOPE FLOW ACROSS THE
DAVIS MOUNTAINS.  IN ADDITION THE AIRMASS WILL BECOME INCREASINGLY
UNSTABLE THIS AFTERNOON AND EVENING ACROSS THE ENTIRE REGION. THE
WINDS ALOFT SHOULD BE SUFFICIENT TO ALLOW THUNDERSTORMS TO LAST INTO
THE NIGHT.

SOME OF THESE STORMS WILL BECOME SEVERE WITH LARGE HAIL AND DAMAGING
WINDS THE PRIMARY THREAT.  ISOLATED TORNADOES ARE ALSO POSSIBLE.
IN ADDITION...STORMS THAT DO DEVELOP WILL MOVE SLOWLY AND PRODUCE
RAINFALL RATES EXCEEDING 1 INCH PER HOUR.  THIS MAY RESULT IN LOCAL
AREAS OF FLASH FLOODING.

LAW ENFORCEMENT AGENCIES...EMERGENCY MANAGEMENT OFFICIALS...STORM
SPOTTER GROUPS...AND OTHER INTERESTED CONCERNS SHOULD MONITOR THIS
SITUATION AND TAKE APPROPRIATE ACTION SHOULD SEVERE WEATHER THREATEN
YOUR AREA.  SPOTTER ACTIVATION MAY BE REQUESTED LATE THIS AFTERNOON
AND TONIGHT.

FOR THE WEST CENTRAL TEXAS OUTLOOK...PLEASE SEE PRODUCT LBBSPSSJT
(WWUS35 KSJT).

12

The office that day

Everything else NWS Midland/Odessa, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 10, 7:06 PM CDTSevere Thunderstorm WarningMAFWinkler54 min
Jun 10, 10:24 PM CDTSevere Thunderstorm WarningMAFScurry61 min
Jun 11, 12:08 AM CDTSevere Thunderstorm WarningMAFScurry67 min
Jun 11, 3:58 PM CDTSevere Thunderstorm WarningMAFPecos47 min
Jun 11, 4:40 PM CDTSevere Thunderstorm WarningMAFReeves50 min
Jun 11, 4:53 PM CDTFlash Flood WarningMAFReeves3 hr
Jun 11, 6:13 PM CDTSevere Thunderstorm WarningMAFPecos47 min
Jun 11, 6:15 PM CDTSevere Thunderstorm WarningMAFAndrews45 min
Jun 11, 6:32 PM CDTSevere Thunderstorm WarningMAFGaines43 min
Jun 11, 5:12 PM CDTSevere Thunderstorm WarningMAFLea63 min

Nearby

Severe Thunderstorm Warnings in Texas, 1999Every severe thunderstorm warning in 1999

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.